What is success? I think it is a mixture of having a flair for the thing that you are doing; knowing that it is not enough, that you have got to have hard work and a certain sense of purpose.

有机体不仅学会做什么，还学会什么导致什么。

The fight against infectious diseases is a global effort that transcends borders.

有志之士珍惜每一年的光阴；贤德之人，珍惜每一天的光阴；而圣人则会珍惜每一寸的光阴。

历史学家必须是诗人，不是为了创造，而是为了重新创造。